312545245 has 8 divisors (see below), whose sum is σ = 375535584. Its totient is φ = 249715344.

The previous prime is 312545237. The next prime is 312545249. The reversal of 312545245 is 542545213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312545245 - 2³ = 312545237 is a prime.

It is a super-2 number, since 2×312545245² = 195369060344220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312545249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35779 + ... + 43648.

It is an arithmetic number, because the mean of its divisors is an integer number (46941948).

Almost surely, 2^312545245 is an apocalyptic number.

It is an amenable number.

312545245 is a deficient number, since it is larger than the sum of its proper divisors (62990339).

312545245 is an equidigital number, since it uses as much as digits as its factorization.

312545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80219.

The product of its digits is 24000, while the sum is 31.

The square root of 312545245 is about 17678.9492051988. The cubic root of 312545245 is about 678.6371529216.

The spelling of 312545245 in words is "three hundred twelve million, five hundred forty-five thousand, two hundred forty-five".